Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Fixed
- Fixed cross-device session sync delays
- Corrected unified SDK initialization for legacy integrations
Added
- New /v2/commerce/unified for omnichannel payment experiences
- Support for cross-device payment continuation
Deprecated
- Separate mobile and web checkout SDKs deprecated in favor of unified SDK
Fixed
- Resolved fallback routing infinite loops in edge cases
- Fixed visual builder export not preserving conditional logic
Added
- Introduced payment orchestration layer with fallback routing
- Support for custom payment flows with visual builder
Changed
- Enhanced RWA valuation with real-time market data integration
- Improved asset tokenization process with compliance checks
Added
- Support for tokenized real-world assets (RWA) as payment methods
- New /v2/assets endpoints for asset management
Fixed
- Fixed insurance premium calculation for high-risk categories
- Corrected claim filing process for disputed chargebacks
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Fixed
- Major update to payless mode
Fixed
- Resolved memory leak in webhook delivery system
- Fixed incorrect status code returned for expired API tokens
Added
- New /v2/invoices/auto-charge endpoint for automatic payment collection
- Support for cryptocurrency payments (BTC, ETH, USDC)
Changed
- Optimized database queries for payment history endpoint
- Reduced webhook delivery latency by 60%
Security
- Implemented stricter validation for merchant account creation
- Added IP whitelisting support for API requests
Added
- Introduced /v2/payouts endpoints for marketplace platforms
- Added support for instant payouts to debit cards
Fixed
- Fixed issue where declined payments weren't logging proper error details
Fixed
- Corrected rounding errors in currency conversion for JPY
- Fixed webhook retry logic not respecting exponential backoff
Added
- New /v2/fraud/review endpoint for manual fraud review workflows
- Added machine learning-based fraud scoring
Deprecated
- The use_3ds parameter is deprecated in favor of authentication_method
Changed
- Updated maximum file size for dispute evidence uploads to 10MB
- Improved error messages for invalid payment method tokens
Added
- Support for ACH bank transfers in the US
- New /v2/balance endpoint to check available funds
Fixed
- Resolved issue with idempotency keys not working for batch payments
- Fixed timestamp precision loss in payment created events
Added
- New API versioning scheme with explicit version headers
- Added GraphQL endpoint at /graphql
Changed
- Breaking: All date fields now return ISO 8601 format with milliseconds
- Breaking: Removed legacy_customer_id field from responses
Fixed
- Fixed GraphQL pagination cursor encoding issues
- Resolved timezone inconsistencies in scheduled payment processing
Added
- Support for Buy Now Pay Later (BNPL) payment methods
- New /v2/checkout/sessions for hosted checkout pages
Changed
- Increased rate limit for webhook endpoints to 5000 per hour
- Enhanced checkout session customization options
Added
- Real-time transaction monitoring dashboard API
- Support for SEPA Direct Debit payments in Europe
Security
- Implemented PCI DSS 4.0 compliance measures
Fixed
- Fixed race condition in refund processing for high-volume merchants
- Corrected webhook signature validation for URLs with query parameters
Added
- New /v2/terminal endpoints for point-of-sale integrations
- Added support for tap-to-pay on iPhone
Changed
- Improved customer object search with fuzzy matching
- Updated SDK documentation with more code examples
Added
- Support for recurring payment schedules with flexible intervals
- New /v2/tax/calculate endpoint for automated tax calculation
Fixed
- Resolved issue with subscription cancellation webhooks not firing
- Fixed decimal precision in tax calculation for Canadian GST
Added
- Introduced payment links for no-code payment collection
- Added biometric authentication support for mobile SDKs
Deprecated
- The /v1 API will be fully deprecated on July 1, 2026
Fixed
- Fixed payment link expiration not respecting custom durations
- Corrected validation error for phone numbers with country codes
Added
- New /v2/identity/verify endpoints for KYC compliance
- Support for digital wallets (PayPal, Venmo, Cash App)
Changed
- Enhanced webhook payload to include merchant metadata
- Improved API response times by optimizing internal caching
Added
- Support for installment payments in Brazil (Pix Parcelado)
- New /v2/analytics endpoints for revenue insights
Fixed
- Resolved timeout errors on analytics queries with large date ranges
- Fixed currency symbol display for lesser-known currencies
Added
- Introduced AI-powered payment routing for optimal success rates
- Support for QR code-based payments (WeChat Pay, Alipay)
Security
- Enhanced anomaly detection for suspicious transaction patterns
Fixed
- Fixed issue with payment routing not respecting merchant preferences
- Corrected QR code expiration handling
Added
- New /v2/disputes/evidence/upload for automated dispute management
- Support for multi-party payments (split payments)
Changed
- Updated dispute evidence upload to support video files
- Improved split payment calculation accuracy
Added
- Support for Open Banking payments in the UK
- New /v2/connect endpoints for platform connect features
Fixed
- Resolved bank account verification delays in Open Banking flow
- Fixed platform fee calculation in multi-currency transactions
Added
- Introduced smart retry logic for failed payments
- Support for subscription pause and resume functionality
Removed
- Removed deprecated /v1/payments endpoints
Fixed
- Fixed smart retry not honoring merchant retry preferences
- Corrected subscription proration calculation for mid-cycle changes
Added
- New /v2/cards/issuing endpoints for virtual card creation
- Support for spending controls on issued cards
Changed
- Enhanced virtual card security with dynamic CVV codes
- Improved spending control granularity (per-merchant limits)
Added
- Support for account-to-account payments (A2A)
- New /v2/compliance/reports for regulatory reporting
Security
- Implemented real-time AML screening for transactions
Fixed
- Resolved performance issues with compliance report generation
- Fixed false positives in AML screening for common business names
Added
- Introduced /v2/financing endpoints for merchant cash advances
- Support for invoice factoring and early payment discounts
Changed
- Updated financing eligibility criteria based on payment history
- Improved early payment discount calculation accuracy
Added
- New /v2/treasury endpoints for cash management
- Support for automated sweeps to external bank accounts
Fixed
- Fixed race condition in automated sweep scheduling
- Corrected yield calculation for treasury balance
Added
- Introduced webhook event versioning for backwards compatibility
- Support for custom webhook timeout configurations
Changed
- Breaking: Webhook payloads now include api_version field
- Updated webhook retry policy to maximum 10 attempts over 3 days
Fixed
- Resolved issue with webhook versioning breaking older integrations
- Fixed custom timeout settings not applying to all webhook types
Added
- New /v2/revenue-recognition endpoints for accounting integration
- Support for deferred revenue scheduling
Changed
- Enhanced revenue recognition rules for subscription products
- Improved deferred revenue calculation for multi-year contracts
Added
- Support for embedded finance widgets (payment forms, account management)
- New /v2/embeds endpoints for UI component configuration
Fixed
- Fixed styling conflicts in embedded widgets with host page CSS
- Corrected mobile responsiveness issues in payment forms
Added
- Introduced real-time payment status notifications via Server-Sent Events (SSE)
- Support for payment orchestration with multiple processors
Deprecated
- WebSocket connections for real-time updates deprecated in favor of SSE
Fixed
- Resolved SSE connection drops during high traffic periods
- Fixed payment orchestration fallback logic not triggering correctly
Added
- New /v2/loyalty endpoints for points and rewards programs
- Support for gift card creation and redemption
Changed
- Enhanced loyalty points calculation with tiered rewards
- Improved gift card balance check performance
Added
- Support for cross-border payment optimization (currency routing)
- New /v2/fx/rates endpoint for real-time exchange rates
Security
- Implemented advanced velocity checks for fraud prevention
Fixed
- Fixed currency routing selecting suboptimal paths
- Corrected FX rate precision for exotic currency pairs
Added
- Introduced /v2/reconciliation endpoints for automated settlement matching
- Support for batch file exports in NACHA and ISO20022 formats
Fixed
- Resolved reconciliation mismatches for partial refunds
- Fixed batch file generation errors for special characters in names
Added
- New /v2/risk/rules endpoints for custom fraud rule configuration
- Support for device fingerprinting in mobile SDKs
Changed
- Enhanced device fingerprinting accuracy with behavioral biometrics
- Improved custom fraud rule editor with visual workflow builder
Added
- Support for decentralized identity verification (DID)
- New /v2/credentials endpoints for verifiable credentials
Fixed
- Fixed DID resolution timeout for certain blockchain networks
- Corrected credential verification for expired issuer certificates
Added
- Introduced payment guarantees for high-value transactions
- Support for escrow services via /v2/escrow endpoints
Changed
- Enhanced escrow release conditions with milestone tracking
- Improved payment guarantee pricing based on risk assessment
Added
- New /v2/carbon/offset endpoints for transaction carbon tracking
- Support for automatic carbon credit purchases
Security
- Implemented quantum-resistant encryption for stored payment methods
Fixed
- Resolved carbon calculation inconsistencies for international transactions
- Fixed credit purchase webhook not including transaction references
Added
- Support for programmable payment workflows with custom logic
- New /v2/workflows endpoints for workflow management
Changed
- Enhanced workflow editor with conditional branching and loops
- Improved workflow execution monitoring and debugging tools
Added
- Introduced AI-powered customer support chatbot integration
- Support for voice-initiated payments via smart speakers
Fixed
- Fixed chatbot not handling payment status inquiries correctly
- Corrected voice payment authentication flow for accessibility
Added
- New API authentication using OAuth 2.1 with PKCE
- Support for fine-grained API permissions and scopes
Changed
- Breaking: Legacy API key authentication will be removed in v3.0
- Updated all endpoints to require scope-based authorization
Fixed
- Resolved OAuth token refresh issues for long-lived sessions
- Fixed scope validation errors for backward-compatible endpoints
Added
- Support for payment scheduling with natural language (e.g., "every other Friday")
- New /v2/schedule/parse endpoint for schedule interpretation
Changed
- Enhanced natural language parsing for complex schedules
- Improved schedule preview with visual calendar representation
Added
- Introduced blockchain settlement options for instant finality
- Support for stablecoin payments (USDC, USDT, DAI)
Deprecated
- Legacy webhook signature algorithm (HMAC-SHA256) deprecated in favor of Ed25519
Fixed
- Fixed blockchain settlement confirmation delays during network congestion
- Corrected stablecoin exchange rate fetching for real-time pricing
Added
- New /v2/notifications endpoints for customer communication
- Support for multi-channel notifications (email, SMS, push, WhatsApp)
Changed
- Enhanced notification templates with dynamic content and localization
- Improved delivery tracking and engagement analytics
Added
- Support for embedded banking (BaaS) features
- New /v2/accounts endpoints for virtual account creation
Fixed
- Resolved virtual account number generation conflicts
- Fixed balance synchronization delays for embedded accounts
Added
- Introduced predictive payment failure detection
- Support for automatic payment method updating before expiration
Security
- Implemented biometric authentication for high-risk transactions
Fixed
- Fixed false positives in payment failure prediction model
- Corrected automatic payment method update notification timing
Added
- New /v2/pricing endpoints for dynamic pricing strategies
- Support for A/B testing different payment experiences
Changed
- Enhanced A/B testing with statistical significance calculations
- Improved dynamic pricing rules with time-based conditions
Added
- Support for payment experience personalization based on user behavior
- New /v2/recommendations for payment method suggestions
Fixed
- Fixed recommendation engine not considering regional payment preferences
- Corrected personalization cache invalidation for user preference changes
Added
- Introduced real-time currency hedging for merchants
- Support for forward contracts via /v2/hedging endpoints
Changed
- Enhanced hedging strategies with volatility-based adjustments
- Improved forward contract settlement automation
Added
- New /v2/lending endpoints for merchant lending programs
- Support for automated underwriting based on payment history
Fixed
- Resolved underwriting calculation errors for seasonal businesses
- Fixed loan repayment scheduling conflicts with existing payment obligations
Added
- Support for social commerce integrations (Instagram, TikTok Shop)
- New /v2/social/products for product catalog sync
Removed
- Removed WebSocket support for real-time updates (use SSE instead)
Fixed
- Fixed product sync failures for items with emoji in descriptions
- Corrected social platform webhook verification for Instagram Shop
Added
- Introduced pay-by-bank with instant account verification
- Support for request-to-pay messaging (ISO 20022)
Changed
- Enhanced instant account verification success rates
- Improved request-to-pay message formatting for better compatibility
Added
- New /v2/insurance endpoints for payment protection products
- Support for chargeback insurance and payment guarantees
Security
- Implemented zero-knowledge proof authentication for privacy-preserving payments
Added
- New /v2/webhooks/test endpoint for webhook testing during development
- Support for Apple Pay and Google Pay in /v2/payments/create
- Real-time payment status updates via WebSocket connections
- New metadata field in transaction responses for custom tracking data
Changed
- Improved response times for /v2/payments/list endpoint by 40%
- Updated rate limiting to 1000 requests per minute for premium tier
- Enhanced error messages with more detailed validation feedback
Fixed
- Resolved issue where refund webhook events were not firing for partial refunds
- Fixed timezone handling in created_at timestamps
Fixed
- Critical security patch for API key validation
- Fixed race condition in concurrent payment processing
- Resolved 429 rate limit errors occurring incorrectly for some users
Security
- Enhanced encryption for stored payment methods
- Implemented additional fraud detection rules
Added
- New /v2/customers/search endpoint with advanced filtering options
- Support for multi-currency transactions in 40+ currencies
- Batch payment processing via /v2/payments/batch
- New subscription management endpoints under /v2/subscriptions
Changed
- Updated customer object schema to include preferred_language
- Increased maximum description length from 200 to 500 characters
Deprecated
- The /v1/payments endpoints will be sunset on January 1, 2026
- legacy_customer_id field will be removed in v3.0
Fixed
- Corrected pagination issue in /v2/transactions endpoint
- Fixed incorrect currency conversion rates for EUR/GBP pairs
- Resolved webhook delivery failures for endpoints with special characters
Added
- OAuth 2.0 authentication support for third-party integrations
- New /v2/disputes endpoints for chargeback management
- Sandbox environment with test mode API keys
Changed
- Breaking: Renamed card_token to payment_method_token across all endpoints
- Breaking: Error response structure now includes error_code and request_id
- Updated webhook signature algorithm to HMAC-SHA256
Removed
- Removed deprecated /v1/tokens endpoint
- Discontinued support for MD5 webhook signatures
Added
- Introduced /v2/reports endpoints for transaction analytics
- Added support for 3D Secure authentication
- New webhook event types: payment.processing and payment.pending
Changed
- Improved API documentation with interactive examples
- Enhanced idempotency key handling with 48-hour retention
Fixed
- Fixed issue where decimal amounts were truncated in some currencies
- Resolved timeout issues for large batch operations